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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.mock;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.DeprecatedVirtualFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileSystem;
import com.intellij.testFramework.LightVirtualFile;
import org.jetbrains.annotations.NotNull;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.HashMap;
public class MockVirtualFileSystem extends DeprecatedVirtualFileSystem {
private final MyVirtualFile myRoot = new MyVirtualFile("", null);
public static final String PROTOCOL = "mock";
@Override
public VirtualFile findFileByPath(@NotNull String path) {
path = path.replace(File.separatorChar, '/');
path = path.replace('/', ':');
if (StringUtil.startsWithChar(path, ':')) path = path.substring(1);
String[] components = path.split(":");
MyVirtualFile file = myRoot;
for (String component : components) {
file = file.getOrCreate(component);
}
return file;
}
@Override
@NotNull
public String getProtocol() {
return PROTOCOL;
}
@Override
public void refresh(boolean asynchronous) {
}
@Override
public void deleteFile(Object requestor, @NotNull VirtualFile vFile) throws IOException {
throw new UnsupportedOperationException();
}
@Override
public void moveFile(Object requestor, @NotNull VirtualFile vFile, @NotNull VirtualFile newParent) throws IOException {
throw new UnsupportedOperationException();
}
@NotNull
@Override
public VirtualFile copyFile(Object requestor, @NotNull VirtualFile vFile, @NotNull VirtualFile newParent, @NotNull final String copyName) throws IOException {
throw new UnsupportedOperationException();
}
@Override
public void renameFile(Object requestor, @NotNull VirtualFile vFile, @NotNull String newName) throws IOException {
throw new UnsupportedOperationException();
}
@NotNull
@Override
public VirtualFile createChildFile(Object requestor, @NotNull VirtualFile vDir, @NotNull String fileName) throws IOException {
throw new UnsupportedOperationException();
}
@Override
@NotNull
public VirtualFile createChildDirectory(Object requestor, @NotNull VirtualFile vDir, @NotNull String dirName) throws IOException {
throw new IOException();
}
@Override
public VirtualFile refreshAndFindFileByPath(@NotNull String path) {
return findFileByPath(path);
}
public class MyVirtualFile extends LightVirtualFile {
private final HashMap<String, MyVirtualFile> myChildren = new HashMap<String, MyVirtualFile>();
private final MyVirtualFile myParent;
public MyVirtualFile(String name, MyVirtualFile parent) {
super(name);
myParent = parent;
}
@Override
@NotNull
public VirtualFileSystem getFileSystem() {
return MockVirtualFileSystem.this;
}
public MyVirtualFile getOrCreate(String name) {
MyVirtualFile file = myChildren.get(name);
if (file == null) {
file = new MyVirtualFile(name, this);
myChildren.put(name, file);
}
return file;
}
@Override
public boolean isDirectory() {
return !myChildren.isEmpty();
}
@NotNull
@Override
public String getPath() {
final MockVirtualFileSystem.MyVirtualFile parent = getParent();
return parent == null ? getName() : parent.getPath() + "/" + getName();
}
@Override
public MyVirtualFile getParent() {
return myParent;
}
@Override
public VirtualFile[] getChildren() {
Collection<MyVirtualFile> children = myChildren.values();
return children.toArray(new MyVirtualFile[children.size()]);
}
}
}
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